WASHINGTON (AP) — It’s the new chant in Washington politics: “Get a cognitive test!” Political opponents, armchair pundits and even nervous supporters are demanding that President Joe Biden undergo ...

Add Yahoo as a preferred source to see more of our stories on Google. President Biden at the debate on June 27. (Kyle Mazza/Anadolu via Getty Images) (Anadolu via Getty Images) At 81, President Biden ...

This letter is in response to CNN medical commentator Dr. Sanjay Gupta's call for President Joe Biden to undergo a transparent, contemporary, comprehensive cognitive test. In reply to Dr. Gupta's call ...

Watching a baby babble, play and interact with others can provide useful insight into what their cognitive ability might be like decades later, according to new University of Colorado Boulder research ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...

At 81, President Biden is the oldest sitting president in history. After his debate performance on June 27, which was described as "poor" by 63% of Americans in a Yahoo News/YouGov poll, concerns have ...